The Kryptonite KryptoLok 610 S is a reliable bike lock designed to offer moderate security for your bicycle. With its robust 5mm hardened steel links, this lock provides a dependable solution for securing your bike in various environments. The KryptoLok 610 S is easy to transport, thanks to the included bracket, making it a convenient choice for cyclists on the go. Constructed with 5mm hardened steel links for enhanced security Comes with an easy-to-install transport bracket for convenience Includes two keys for added security and ease of use Features a moderate security level of 6/10 Certified by SSF, Varefakta, and FG for quality assurance Key Safe Program